IT 104 MIDTERM PRACTICE EXAM QUESTIONS AND ANSWERS

What is a device that modulates a carrier's signal to encode a computers digital data, and later demodulates the signal to decode the data at the receiving end? router modem bus folder network card router ** modem bus folder network card The programs that control the activity of the hardware and control the internal workings of the computer are called _____ software. business personal application system business personal application **system Copyrighted software which is marketed under a "try before you buy" policy is known as _______. Freeware Shareware Open source Public Domain Installation Freeware ** Shareware Open source Public Domain Installation A plug-in is a program that extends the capability of a browser. T SMTP and POP3 can be used interchangeably to send e-mail F Packets always arrive at the destination in the order they were sent F Hardware is the sequence of instructions that tells the computer what to do. F